AS 328 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

Manufacturer	AS
Caliber Reference	AS 328
Movement Type	Manual
Diameter (Lignes)	—
Diameter (mm)	23.75 mm
Height / Thickness	4.3 mm
Jewel Count	15 Jewels
Beat Rate / Frequency	18,000 BPH
Lift Angle	51°
Power Reserve	38 hours
Escapement	Swiss Lever
Production Period	1925

Historical & Mechanical Notes

The AS 328 is a celebrated example of vintage precision engineering. Featuring 15 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.

Restoration enquiries:

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